21131272 is an even 8-digits composite number following 21131271
and preceding 21131273 . In scientific notation, it is written as 2.1131272 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 16 positive divisors.
There are 9944064 positive integers (up to 21131272) that are relatively prime to 21131272.
21131272 has 16 divisors, whose sum is 41952060
The reverse of 21131272 is 27213112
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million one hundred thirty-one thousand two hundred seventy-two
Scientific notation
2.1131272 × 10^7
Engineering notation
2.1131272 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 155377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5282818
Product of the distinct prime numbers
The prime factorization of 21131272 is 2 × 2 × 2 × 17 × 155377.
Since it has a total of 5 prime factors.
2 , 1 , 100 , 4 , 667 , 709 , 4898 , 6890 , 90591 , 41829 , 386373 , 620160 , 4368159 , 852284 , 71977767 , 65711556 , 259615937 , 189241532 , 5746131167 , 5766148256
n×2
42262544
n×3
63393816
n×4
84525088
n×5
105656360
n÷2
10565636
n÷3
7043757.3333333
n÷3
5282818
n÷5
4226254.4
n2
446530656337984
n3
9.4357607554165E+21
n4
1.9938962704963E+29
n5
4.2133564431643E+36
2 √n
4596.8763307272
3 √n
276.46609614303
4 √n
67.800267925187
5 √n
29.173271115561
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 155377 , 310754 , 621508 , 1243016 , 2641409 , 5282818 , 10565636 , 21131272
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131272 can be divided by 16 positive divisors.
The sum of these divisors (counting 21131272) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111000000001000
3
Ternary
1110202120122201
4
Quaternary
1100213000020
5
Quinary
20402200042
6
Senary
2032525544
8
Octal
120470010
10
Decimal
21131272
12
Duodecimal
70b08b4
16
Hexadecimal
1427008
20
Vigesimal
6c183c
36
Base36
ckwzs
md5
3e8513850e4711ca20f0f31e1bba199b
sha1
e14ef8ba35f23aebaa35142b680b32ca3965da22
sha256
4f9c8dd5e8aa71334331d69aaa013cca82eec82319b9ebf29c82adb7b15a41d8
sha512
7befb15cc2c5d5c448d438d042d3d133e1af0864e2d39acf8728692a0fc3f9b843ef9ecc6c452f1e6a38f0f48e97e09d03cb7300e031442b8edb9bf8b34058f4
ripemd-160
40877b62a633cd88eb8f8a4417cd6a9c678ec38e
Diameter
42262544
Circumference
132771697.75242
Area
1.402817429554E+15
Volume
3.9524422226996E+22
Surface area
5.6112697182162E+15
Circumference
132771697.75242
Perimeter
84525088
Area
446530656337984
Diagonal
29884131.452595
Surface area
2679183938027904
Volume
9.4357607554165E+21
Space diagonal
36600436.732558
Perimeter
63393816
Area
1.9335344597862E+14
Altitude
18300218.366279
Surface area
1.9335344597862E+14
Volume
1.1120150693015E+21
Height
9961377.1508649